Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 10 Nov 2002 19:43:07 +0100
From:      Poul-Henning Kamp <phk@critter.freebsd.dk>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        alpha@FreeBSD.ORG
Subject:   Re: ev4/5/6 issue ? 
Message-ID:  <26565.1036953787@critter.freebsd.dk>
In-Reply-To: Your message of "Sun, 10 Nov 2002 11:35:20 EST." <15822.35528.984561.534904@grasshopper.cs.duke.edu> 

next in thread | previous in thread | raw e-mail | index | archive | help
In message <15822.35528.984561.534904@grasshopper.cs.duke.edu>, Andrew Gallatin
 writes:
>
>Poul-Henning Kamp writes:
> > 
> > An alphastation255 has found its way to my lab but I'm having a spot of
> > trouble getting it into workable state.
> > 
> > I installed an iso which jhb@ had produced and the system boots.
> > 
> > But make(1) coredumps with illegal instruction.
> > 
> > I've tried to compile a make(1) on beast (setting CPUTYPE="") but it
> > also core-dumps.  I pressume that's because the libs are ev6.
> > 
>
>An illegal instruction trap occurs when the processor attempts to
>execute an instruction which it does not recognize.  We attempt to
>fixup the most common instructions in the kernel (mainly so you can
>run the acrobat reader binary on older alphas..)
>
>However, beast is a 21264a and it supports all valid alpha
>instructions.  So rather than a bug in the opdec code, I suspect that
>the compiler or linker is emitting bad code, or something else weird
>is happening.

I get the trap on my alphastation 255, not on beast.

>What instruction is causing the trap?

I have no idea, gdb doesn't offer any help as far as I can see :-(

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-alpha" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?26565.1036953787>